0.4X+0.25(100-X)=37

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Solution for 0.4X+0.25(100-X)=37 equation: 


Simplifying
0.4X + 0.25(100 + -1X) = 37
0.4X + (100 * 0.25 + -1X * 0.25) = 37
0.4X + (25 + -0.25X) = 37

Reorder the terms:
25 + 0.4X + -0.25X = 37

Combine like terms: 0.4X + -0.25X = 0.15X
25 + 0.15X = 37

Solving
25 + 0.15X = 37

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-25' to each side of the equation.
25 + -25 + 0.15X = 37 + -25

Combine like terms: 25 + -25 = 0
0 + 0.15X = 37 + -25
0.15X = 37 + -25

Combine like terms: 37 + -25 = 12
0.15X = 12

Divide each side by '0.15'.
X = 80

Simplifying
X = 80

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